English
Related papers

Related papers: Modeling of an Electron Injector for the AWAKE Pro…

200 papers

Experimental results, supported by precise modelling, demonstrate optimisation of a plasma-based injector with intermediate laser pulse energy ($<1$ J), corresponding to a normalised vector potential $a_0 = 2.15$, using ionisation injection…

Three dimensional particle in cell simulations are used for studying proton driven plasma wake-field acceleration that uses a high-energy proton bunch to drive a plasma wake-field for electron beam acceleration. A new parameter regime was…

Plasma Physics · Physics 2018-11-12 David Tsiklauri

Many current laser wakefield acceleration (LWFA) experiments are carried out in a regime where the laser pulse length is on the order of or longer than the wake wavelength and where ionization injection is employed to inject electrons into…

Plasma Physics · Physics 2016-03-23 J. L. Shaw , N. Lemos , K. A. Marsh , F. S. Tsung , W. B. Mori , C. Joshi

A new method capable of capturing coherent electric field structures propagating at nearly the speed of light in plasma with a time resolution as small as a few femtoseconds is proposed. This method uses a few femtoseconds long relativistic…

Plasma Physics · Physics 2016-10-19 C. J. Zhang , J. F. Hua , X. L. Xu , F. Li , C. -H. Pai , Y. Wan , Y. P. Wu , Y. Q. Gu , W. B. Mori , C. Joshi , W. Lu

Plasma wakefield acceleration using an electron filament offers stable, high-gradient, high-quality acceleration of positron beams analogous to the acceleration of electrons in the blowout regime. However, low energy-transfer efficiency is…

Accelerator Physics · Physics 2023-11-14 Max Varverakis , Robert Holtzapple , Severin Diederichs , Carl Schroeder , Spencer Gessner

The accurate modeling of plasma-based accelerators relies on costly numerical simulations due to the complexity of laser-plasma and beam-plasma interactions. Several strategies can highly reduce the computational cost compared to 3D…

A precise characterization of the incoming proton bunch parameters is required to accurately simulate the self-modulation process in the Advanced Wakefield Experiment (AWAKE). This paper presents an analysis of the parameters of the…

We propose and detail a multi-step analytical procedure, based on an improved fully relativistic plane model for Laser Wake Field Acceleration, to tailor the initial density of a cold diluted plasma to the laser pulse profile, so as to…

Plasma Physics · Physics 2026-03-17 Gaetano Fiore , Paolo Tomassini

Plasma wakefield accelerators have the potential to revolutionize particle physics by providing lepton collision energies orders of magnitude beyond current technology. Crucially, these accelerators require a high-density, highly…

Plasma Physics · Physics 2025-11-11 Marcel Granetzny , Barret Elward , Michael Zepp , Maxwell Loughan , Oliver Schmitz

Plasma wakefields offer high acceleration gradients, orders of magnitude larger than conventional RF accelerators. However, the achievable luminosity remains relatively low, typically limited by repetition rate and the charge accelerated…

Accelerator Physics · Physics 2025-02-13 John P. Farmer , Giovanni Zevi Della Porta

Plasma wakefield acceleration studies currently rely considerably on simulating this effect numerically using highly specialized software. Exorbitant computational difficulty of the problem requires simplifying models and methods,limiting…

Plasma Physics · Physics 2017-12-05 P. V. Tuev , A. P. Sosedkin , K. V. Lotov

A charge bunch moving in a plasma can excite a variety of linear and nonlinear waves in the form of trailing wakes, fore-wake shocks and precursor solitons. These structures can further interact with the background plasma to create…

Plasma Physics · Physics 2023-03-08 Vikram Dharodi , Atul Kumar , Abhijit Sen

Metre-scale plasma wakefield accelerators have imparted energy gain approaching 10 gigaelectronvolts to single nano-Coulomb electron bunches. To reach useful average currents, however, the enormous energy density that the driver deposits…

This study explores nanoparticle-assisted electron injection as a method for controlling beam charge in laser wakefield acceleration through particle-in-cell simulations. We systematically investigate how the material (Li through Au) and…

We access the possibility of using the conventional RF accelerator as an injector for the plasma driven wakefield accelerator. Conventional accelerators deliver high quality beams with low emittance and low energy spread. Once injected into…

We propose to use tightly focused lasers to generate high quality electron beams in laser wakefield accelerators. In this scheme, the expansion of the laser beam after the focal position enlarges the size of wakefield bubble, which reduces…

Accelerator Physics · Physics 2023-09-29 Jia Wang , Ming Zeng , Dazhang Li , Xiaoning Wang , Jie Gao

We demonstrate through high-fidelity particle-in-cell simulations a simple approach for efficiently generating 20+ GeV electron beams with the necessary charge, energy spread, and emittance for use as the injector for an electron arm of a…

Accelerator Physics · Physics 2024-06-10 Thamine N. Dalichaouch , Xinlu L. Xu , Fei Li , Frank S. Tsung , Warren B. Mori

Magnetowave induced plasma wakefield acceleration (MPWA) in a relativistic astrophysical outflow has been proposed as a viable mechanism for the acceleration of cosmic particles to ultra high energies. Here we present simulation results…

Astrophysics · Physics 2009-04-08 Feng-Yin Chang , Pisin Chen , Guey-Lin Lin , Kevin Reil , Richard Sydora

We focus on the process of plasma acceleration in the presence of non-negligible thermal effects, wherein a driver of relativistic electrons perturbs a warm neutral plasma and generates a wakefield structure. We study the acceleration…